[applause] >> the best day to be a planet in america was july 9, 2004, when dick jackson and lawrence frank came out with a book called urban sprawl and public health. and what the book finally did, some technical epidemiological meet on the social logic of those that we've been arguing about and said no uncertain terms, the suburbs are killing us and here's why. and cities can save us and here's why. by far the greatest aspect of the epidemic, i should say of our health challenges in america is the obesity epidemic. it's not that obesity itself is a problem but all these illnesses that obesity leads to. principal among them diabetes. diabetes now consumes 2% of our gdp. a child born after 2000 has a one in three chance in america becoming a diabetic. when i look at the first generation of americans who are going to live shorter lives than their parents. is probably not a huge surprise to you. we've all been talking about longtime about the wonders of the american corn syrup diet, and only reason as the argument have the studies been done comparing diet and physical inactivity. one of